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fenix001 [56]
3 years ago
10

Can someone pleaseeee help and if you’re correct i’ll give brainliest

Mathematics
2 answers:
Ilya [14]3 years ago
5 0

Answer:

πr²= 12.56

r²=12.56/3.14 = 4

r= 2

therefore , diameter = 2r = 2×2= 4 mm

Deffense [45]3 years ago
5 0
Correct ^^^^^^^^^^^^^^
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Create an expression that you would use to solve the problem below.
masya89 [10]

The tool was used for 28 minutes

Step-by-step explanation:

We will use simple division to calculate the number for minutes for which the tool was rented

Given

Cost per minute = $0.65

Total cost = $18.20

Let x be the number of minutes

So,

x = \frac{Total\ cost}{Cost\ per\ minute}\\= \frac{18.20}{0.65}\\=28\  minutes

The tool was used for 28 minutes

Keywords: Division, Linear equation

Learn more about division at:

  • brainly.com/question/12973601
  • brainly.com/question/13063819

#LearnwithBrainly

7 0
3 years ago
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jolli1 [7]
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3 years ago
The sum of three times a number, and 3, is equal to two times the number.
ale4655 [162]

3x + 3 = 2x

three times a number = 3x ,and 3 = 3x + 3, is equal to two times the number =

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6 0
3 years ago
Really need help guys
DaniilM [7]
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3 0
3 years ago
Pls help me with this math problem​
DENIUS [597]

Answer:

The four rational numbers between -\frac{1}{2} and \frac{1}{2} can be:

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Step-by-step explanation:

The definition of rational numbers is usually a number of the type a/b where b is different from zero, therefore, to choose the numbers that are between -1/2 (= -0.5) and 1/2 (= 0.5) <u><em>it is enough with choose fractional numbers whose dividend is 1 and its divisor is any number greater than 2, either negative or positive,</em></u> in the answer we choose options such as 1/7 or -1/3, but following the guide I give you, you could choose numbers like 1/16, -1/9 or 1/40 if you wish, always respecting the guidelines given for the dividend and the divisor.

4 0
3 years ago
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